navy drone is missing. >>> we're about to take you live to cairo. that is where riot police are bracing now for another night of violent street fighting, tear gas all over the city today. this week crowds of egyptians have now stormed the presidential palace, breaking through fences, fighting with security forces, trying to keep them back. now, the protesters, they are furious about several things. first of all, all concerning president mohammed morsi and this growing perception that he is making himself too powerful. cnn's reza sayah is in cairo. >> opposition factions back protesting against mohammed morrissey for nearly two weeks. most of the protests have been limited to tahrir square, but they're now going to the source of their anger, president morrissey, and his presidential palace. >> why come here? >> because it's -- we got fed up. >> he doesn't respect us. he don't want to listen to our demands. >> reporter: what's your message to him by coming out here? >> that what he is doing is completely unfair. this is not what we asked for. it's com